DM74LS123SJX 데이터 시트보기 (PDF) - Fairchild Semiconductor
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DM74LS123SJX Datasheet PDF : 8 Pages
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Switching Characteristics
at VCC = 5V and TA = 25°C
Symbol
Parameters
From (Input)
To (Output)
tPLH
tPLH
tPHL
tPHL
tPLH
tPHL
tWQ(Min)
tW(out)
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
Minimum Width of Pulse
at Output Q
Output Pulse Width
A to Q
B to Q
A to Q
B to Q
Clear to Q
Clear to Q
A or B to Q
A or B to Q
RL = 2 kΩ
CL = 15pF
CL = 15pF
CEXT = 0 pF, REXT = 5 kΩ CEXT = 1000 pF, REXT = 10 kΩ
Min
Max
Min
Max
33
Units
ns
44
ns
45
ns
56
ns
45
27
200
4
ns
ns
ns
5
µs
5
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